问题
This is _______ important book. It helped me a lot in ________ old days.
A:a; an
B:an; the
C:the; an
D:/; the;
B:an; the
C:the; an
D:/; the;
正确答案是：
同类题型
Bears often hide themselves in places ________ can’t befound by hunters
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We haven’t dicussed yet _______ we are going to place our new furniture
Where are the girls—They_________ the zoo.
________you like the portable personal computer so much，why not buy one